本科毕业设计(论文)题目固井二界面质量现状及实验技术研究学生姓名朱卫东学号0503010245教学院系石油工程学院专业年级石油工程05级指导教师唐欣职称讲师单位石油工程学院完成日期2009年6月SouthwestPetroleumUniversityGraduationThesisQualitystatusofthesecondcementinginterfaceandexperimentaltechniquesresearchGrade:2005Name:ZhuWeiDongSpeciality:PetroleumEngineeringOrOil/GasStorageandTransportationEngineeringInstructor:thesecondinterfaceofcementingPetroleumEngineeringCollege2009-6摘要固井质量一直是石油勘探开发中备受关注的问题,它对特殊工艺井钻井、油水井开采寿命和勘探开发效益有直接的影响。固井质量问题的最主要根源是固井二界面失效,因此对二界面胶结状况的研究是十分必要的。对二界面更深层更内涵更实用的概括和阐释为固井二界面封固系统,它是指由水泥浆、死泥浆、滤饼和地层壁面四部分构成的一个固化胶结整体。固井质量(主要是二界面的胶结质量)影响因素众多,包括地层特性、钻采方面、水泥(石)浆以及其它方面。从微观上讲,二界面胶结质量主要存在两个问题:(微)环隙和(微)裂缝。文中我们介绍了从提高顶替效率、多功能钻井液的应用、前置液的应用、多功能水泥浆的应用和MTC技术的应用几个方面来改善二界面的胶结质量。评价二界面质量的实验方法多而杂,而且尚处于研究阶段,所以只对常用的VDL和SBT等方法做了简要介绍。关键词:固井;二界面;胶结质量;影响因素;实验方法。AbstractThecementingqualityisalwaysinoilexplorationandexploitationofconcernforspecialprocess,itiswelldrilling,oilWellsinminingexplorationbenefitandhasdirectinfluence.Thecementingqualityproblemisthemainsourcecementingsecondinterfacefailure,thereforestudysecondinterfacecementingisverynecessary.Onthesecondinterfacedeeperconnotationofmoreandmorepracticalinterpretationforcementingsecondinterfacecementingsystem,itisconstructedbyslurry,diemudcakeandstratigraphicwall,formacuringcementationoverall.CuringcementationThecementingquality(mainlythecementingqualityofthesecondaryinterface)affectedbymanyfactors,includingthestratigraphiccharacteristics,drilling,cementslurry(stone)andotheraspects.Microscopicallyspeaking,thesecondinterfacecementingqualitymainlyhastwoproblems:(micro)ringgapand(micro)ringcrack.Fromthepassageweintroducedthemethodssuchastoimproveefficiency,multi-functiondrillingfluidfortheapplication,preflushapplication,multifunctionalslurryapplication,andMTCtechnologyapplicationaspectstoimprovethequalityofthesecondaryinterfacecementing.Evaluationofthequalityofthesecondaryinterfaceexperimentmethodsaremiscellaneous,andarestillinthestageofstudy,soweonlytomakesabriefintroductionforcommonlyusedmethodsVDL、SBT.Keywords:Cementing;Thesecondinterface;Cementationquality;Influencefactors;Experimentalmethods.目录1绪论..............................................................11.1研究的目的与意义.............................................11.2国内外研究现状...............................................11.2.1基本概念...............................................11.2.2顾军等提出的二界面封固系统及破坏模型...................21.2.3黄和福等对MTC技术的研究...............................51.2.4国内外振动固井技术.....................................91.3主要研究内容...............................................122二界面质量现状和原因............................................132.1固井质量影响因素...........................................132.1.1地层特性对固井质量的影响.............................132.1.2钻采方面对固井质量的影响.............................142.1.3水泥石(...